add `.goreleaser.yaml` for openbao-csi-provider #29

Job	Run time
test	1m 39s
lint	39s
go-checks / Check that code matches gofumpt	23s
go-checks / Check that go.mod and go.sum are tidy	18s
integration-test (1.27.13)	5m 35s
integration-test (1.28.9)	5m 36s
integration-test (1.29.4)	4m 37s
	18m 47s

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